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  <h1 class="topictitle1">备份文件系统</h1>
  <div>
   <p>当需要备份NDMP NAS文件系统中的所有文件时，可以参考本节进行文件系统备份。</p>
   <p>执行备份前将需要保护的资源关联到指定SLA，系统将对这些资源按照SLA进行保护，并根据SLA周期性执行备份任务。如需立即执行一次备份任务时，可以通过手动备份实现。</p>
   <div class="section" id="ndmp_0019-1__section348853001916">
    <h4 class="sectiontitle">注意事项</h4>
    <ul id="ndmp_0019-1__ul18727123312225">
     <li id="ndmp_0019-1__li147271733132211">手动备份时，SLA中定义的参数（<span class="uicontrol" id="ndmp_0019-1__uicontrol1201136142020">“失败后自动重试”</span>除外），如<span class="uicontrol" id="ndmp_0019-1__uicontrol69418101243">“限速策略”</span>等，会应用到手动备份任务中。</li>
     <li id="ndmp_0019-1__li31561026997">手动备份产生的副本保留时长按照SLA中的定义进行保留。</li>
    </ul>
   </div>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>选择<span class="uicontrol" id="ndmp_0019-1__zh-cn_topic_0000002199964685_uicontrol72431342173117">“<span id="ndmp_0019-1__zh-cn_topic_0000002199964685_text152438422312">保护</span> &gt; 文件系统 &gt; NDMP”</span>。</span></li>
     <li><span>选择<span class="uicontrol">“文件系统”</span>，在需要保护的NDMP NAS文件系统所在行，单击<span class="menucascade">“<span class="uicontrol">更多</span> &gt; <span class="uicontrol">保护</span>”</span>。</span></li>
     <li><span>选择SLA。</span><p></p>
      <div class="p" id="ndmp_0019-1__zh-cn_topic_0000002200146973_p16181740836">
       您也可以单击<span class="uicontrol" id="ndmp_0019-1__zh-cn_topic_0000002200146973_uicontrol744210206420">“<span id="ndmp_0019-1__zh-cn_topic_0000002200146973_text1873812341015">创建</span>”</span>，创建新的SLA。
       <div class="note" id="ndmp_0019-1__zh-cn_topic_0000002200146973_note25947145710">
        <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
        <div class="notebody">
         <p id="ndmp_0019-1__zh-cn_topic_0000002200146973_p125947145711"><span id="ndmp_0019-1__zh-cn_topic_0000002200146973_ph1413818422327">如果待保护的资源已设置WORM策略，为避免WORM策略冲突，请选择不包含WORM策略的SLA创建保护。</span></p>
        </div>
       </div>
      </div> <p></p></li>
     <li id="ndmp_0019-1__li1526105041910"><span>选择客户端。</span><p></p><p id="ndmp_0019-1__p1650961617426">系统默认选择内置客户端，当存在外置客户端时，还可以选择外置客户端。</p> <p></p></li>
     <li id="ndmp_0019-1__li2055193915013"><span>输入过滤文件/目录。</span><p></p>
      <div class="note" id="ndmp_0019-1__note11478251418">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p id="ndmp_0019-1__p45626425211"><span style="color:#1A1A1A;">备份时待过滤的文件或目录。输入的文件名或目录名需要满足以下条件：</span></p>
        <ul id="ndmp_0019-1__ul59483216312">
         <li id="ndmp_0019-1__li199481221231"><span style="color:#1A1A1A;">不允许指定完整路径。</span></li>
         <li id="ndmp_0019-1__li5948821033"><span style="color:#1A1A1A;">星号（*）是通配符，必须是文件名或目录名的第一个或最后一个字符。</span></li>
         <li id="ndmp_0019-1__li11948152337"><span style="color:#1A1A1A;">每个字符串最多可以包含两个星号（*）。</span></li>
         <li id="ndmp_0019-1__li59487212318"><span style="color:#1A1A1A;">文件名或目录名中的逗号前必须有一个反斜杠（\）。</span></li>
         <li id="ndmp_0019-1__li17948125311"><span style="color:#1A1A1A;"> 最多可以输入32个名称。</span></li>
         <li id="ndmp_0019-1__li15948921937"><span style="color:#1A1A1A;">单个文件名或目录名最多包含255个字符。</span></li>
        </ul>
       </div>
      </div>
      <div class="tablenoborder">
       <table cellpadding="4" cellspacing="0" summary="" id="ndmp_0019-1__table1631974417576" frame="border" border="1" rules="all">
        <caption>
         <b>表1 </b>其他参数说明
        </caption>
        <colgroup>
         <col style="width:26.009999999999998%">
         <col style="width:73.99%">
        </colgroup>
        <thead align="left">
         <tr id="ndmp_0019-1__row5320174475719">
          <th align="left" class="cellrowborder" valign="top" width="26.009999999999998%" id="mcps1.3.4.2.5.2.2.2.3.1.1"><p id="ndmp_0019-1__p135467279011">参数</p></th>
          <th align="left" class="cellrowborder" valign="top" width="73.99%" id="mcps1.3.4.2.5.2.2.2.3.1.2"><p id="ndmp_0019-1__p354619272000">说明</p></th>
         </tr>
        </thead>
        <tbody></tbody>
       </table>
      </div> <p></p></li>
     <li><span>单击<span class="uicontrol" id="ndmp_0019-1__zh-cn_topic_0000002200146973_zh-cn_topic_0000001656691397_uicontrol471113581111">“确定”</span>。</span><p></p><p id="ndmp_0019-1__zh-cn_topic_0000002200146973_zh-cn_topic_0000001656691397_p25041111535">如果当前系统时间已晚于SLA首次备份的开始时间，可以在弹出的对话框中选择立即执行手动备份或者根据SLA中设置的备份策略周期性自动执行备份。</p> <p></p></li>
     <li><span>执行手动备份。</span><p></p><p id="ndmp_0019-1__zh-cn_topic_0000001964713008_p11899115114511">当需要立即执行一次备份任务时，可以执行以下操作进行手动备份。否则，可跳过本步骤。</p>
      <ol type="a">
       <li>在需要保护的NDMP NAS文件系统所在行，单击<span class="uicontrol">“更多 &gt; 手动备份 ”</span>。
        <div class="note" id="ndmp_0019-1__note39806583148">
         <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
         <div class="notebody">
          <p id="ndmp_0019-1__p20468102732716">支持选择多个资源批量进行手动备份。勾选多个资源，在页面左上角选择<span class="uicontrol" id="ndmp_0019-1__zh-cn_topic_0000001792503838_uicontrol14182155715711">“更多 &gt; 手动备份”</span>。</p>
         </div>
        </div></li>
       <li id="ndmp_0019-1__li911054004613">设置手动备份产生的副本名称。
        <div class="p" id="ndmp_0019-1__p1850633102016">
         <a name="ndmp_0019-1__li911054004613"></a><a name="li911054004613"></a>如果您不设置，系统默认设置副本名称为：backup_时间戳。
         <div class="note" id="ndmp_0019-1__note4661210376">
          <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
          <div class="notebody">
           <p id="ndmp_0019-1__p136614213710"><span id="ndmp_0019-1__foc_gud_0020_zh-cn_topic_0000001964713008_ph19374310343">如果选择的保护策略与关联的SLA中配置的保护策略不一致，则WORM配置不生效。</span></p>
          </div>
         </div>
        </div></li>
       <li id="ndmp_0019-1__li1211194044610">单击<span class="uicontrol" id="ndmp_0019-1__uicontrol37271318124613">“确定”</span>。</li>
      </ol> <p></p></li>
    </ol>
   </div>
  </div>
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    <div class="parentlink">
     <strong>父主题：</strong> <a href="ndmp_0019.html">步骤5：执行备份</a>
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